.index {
  background-image: url("macface.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: auto 100%;
  background-attachment: fixed;
  background-color: #404040;
}

.whypage {
  background-image: url("petal4.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: auto 100%;
  background-attachment: fixed;
  background-color: #404040;
}